CVE-2017-18078 · cross-distro fix matrix

CVE-2017-18078: systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks wr

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2017-18078 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

systemd→ fixed in237-1urgency: unimportant

sudo apt-get install --only-upgrade -y systemd

Debian bookworm

Source: Debian Security Tracker

systemd→ fixed in237-1urgency: unimportant

sudo apt-get install --only-upgrade -y systemd

Debian trixie

Source: Debian Security Tracker

systemd→ fixed in237-1urgency: unimportant

sudo apt-get install --only-upgrade -y systemd

Are YOU affected by CVE-2017-18078?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2017-18078dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)